Pierre Migalski

As an independent consultant, I help organizations optimize their cloud architecture, security, and DevOps practices, ensuring efficiency, compliance, and scalability. I lead technical projects and support team organization, ensuring smooth transitions and effective collaboration. • AWS Cloud Architecture – Design and optimization of AWS infrastructures, on-prem to cloud migrations, re-platforming, automation (Terraform, CloudFormation, Ansible), and cost reduction strategies. • Security & Compliance – Security audits, remediation plans, network segmentation, best practices, and compliance enforcement across cloud environments. • DevOps & Automation – Containerization (EKS, ECS, K8S on-prem) & Traditional VM Infrastructure (EC2, VMware, RHV/RHVM, Proxmox), CI/CD automation, hybrid cloud management, and infrastructure as code. • Leadership & Transition Management – Interim technical leadership, guiding and mentoring teams through technical and organizational transitions, coaching on AWS and DevOps, and driving cloud-native transformations.

• Contributed to Safe and Automated Deployments: Enabled secure, automated application deployments, and infrastructure maintenance for assets associated with the European and Paris Stock Exchange. • Significant Impact on EURONEXT Production: Successfully implemented over +200 changes on EURONEXT production, utilizing provided tools and procedures. • DevOps Enhancements: Led seamless application upgrades following DevOps patterns, orchestrated On-Prem to AWS migrations (utilizing 'Lift and Shift' for EC2 and RDS), and implemented re-platforming to ECS, Fargate, and Lambda for scalability. • Automation and Infrastructure Management: Streamlined application and Cloud Infrastructure update procedures, demonstrated proficiency in Cloud Formation, Terraform, and Ansible for efficient automation, and implemented robust vulnerability management measures like Golden AMIs, IAM, Security Groups, and WAF. • AWS Cloud Coaching: Provided guidance to DevOps, DEV, and Support teams for effective AWS Cloud utilization.

Development and Enhancement of Deployment Tools for French Inter-banking Instant Payment Solution • Upgrade Procedure Implementation: Successfully implemented installation and upgrade procedures for the French Inter-banking Instant Payment Solution. • Tools Development and Enhancement : Develop and Enhance Ansible roles, Python code, and CloudFormation templates, following Best Practices, in order to create, install and deploy Applications, DB, Spark, Kafka and Casandra clusters. • Procedures Management: Managed exploitation and upgrade procedures for development, quality and production teams. • CI/CD and Release Oversight: Optimized CI/CD processes and collaborated with Release Management for efficient follow-up and delivery. • Security Collaboration: Collaborated with security experts on certificate management, firewall rules, ACL, audit, and logs. • Coaching: Provided coaching for DEV and Infra team on AWS, Ansible AWX/Tower, RHVM, Proxmox. Conducted a Proof of Concept (POC) for Kubernetes. • Procedure Delivery for Production Team: Delivered procedures, specifically for the Production team. • Release Follow-up and Delivery: Ensured effective follow-up and delivery of releases. Technical environment : Cloud AWS, CloudFormation, Ansible, Python, RHVM, Kafka, Cassandra, Spark, JBoss, Postgresql RedHat, Vault, Packer, Shibboleth, ElasticSeach, LogStash, Kibana, FileBeat.

• Development and Maintenance of Automated Tools: Developed and maintained Ansible roles and Terraform code for the creation and deployment of Big Data solutions, both on AWS Cloud and on-premise. • On-Demand Server Creation Service: Implemented an automated solution for the management and deployment of CentOS 7 Linux servers on VMware using Ansible AWX/Tower. • Advanced System Administration: Administration of servers, handling network aspects, filesystem creation, security best practices (Firewalld, CIS, SELinux), connections to Active Directory, and identity management. • Active Participation in AWS and Kubernetes Cloud Migration: Contributed to workshops for migrating to AWS Cloud and Kubernetes, while supporting the operations teams Technical environment : Ansible AWX, Cloud AWS, Vmware, Terraform, Python, HortonWorks, CentOS, GitLab CI, Grafana, Kubernetes, ELK, EMR.

Enhancement and transformation of the software factory and team organization for Credit Risk applications Continuous Integration / Deployment Pipeline / Integration and Release workflows GitHub, Jenkins, Nexus, Puppet, Redhat, Docker

Infrastructure administration (Linux Redhat, Solaris, SAN, VMWare) Defect tracking solution migration ( JIRA, Bugzilla, Rational Change) Support on Atlassian products

Electronic payment solutions: Responsible for the deployment and the automatisation of Ingenico software solutions

Video analytics solution for video protection systems : Research in video processing and threat detection for video protection products Software developpment of Miragex products

Reseach and developpment in the field of drone management solutions (unmanned ground and air vehicles)